An astronaut has a mass of 80 kg when measured form Earth. a) a)What is his weig

Question

An astronaut has a mass of 80 kg when measured form Earth.

a)   a)What is his weight in deepspace, far from any celestial body?

b)      b)What is his mass there?

Which of the following is based on the number and kind ofmolecules that make up an object?

a)   a) mass

b)   b)weight

c)   c)neither

d)   d)both mass and weight

   The amount of interia possessed by an object MOSTdirecty determined by an object’s­­­­­­­­_____________________?

a)   a)mass

b)   b)weight

   If the net force on an object is zero, canyou conclude that the object is at rest?

a)   a)yes

b)   b)no

  If the net force of an object is zero, the objectcould (check all that apply)

a)   a)none of these

b)   b)be at rest

c)   c)have zero acceleration

d)   d)be in motion at a constant velocity

   If your car is moving around a circular trackat a constant speed of 60 mi/h is there a net force acting on yourcar?

a)   a)  yes

b)   b) no

Explanation / Answer

a) weightless b) 80KG --------- a) mass --------- b)weight --------- b)no --------- b)be at rest c)have zero acceleration d)be in motion at a constant velocity --------- b) no

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